CN220028214U - Side roller device for cooling bed - Google Patents
Side roller device for cooling bed Download PDFInfo
- Publication number
- CN220028214U CN220028214U CN202321185157.7U CN202321185157U CN220028214U CN 220028214 U CN220028214 U CN 220028214U CN 202321185157 U CN202321185157 U CN 202321185157U CN 220028214 U CN220028214 U CN 220028214U
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- CN
- China
- Prior art keywords
- side roller
- cooling
- frame body
- wheel shaft
- wheel axle
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- 238000001816 cooling Methods 0.000 title claims abstract description 60
- 239000004519 grease Substances 0.000 claims abstract description 22
- 238000005461 lubrication Methods 0.000 claims abstract description 21
- 239000002826 coolant Substances 0.000 claims abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 20
- 238000007789 sealing Methods 0.000 claims description 4
- 230000001050 lubricating effect Effects 0.000 abstract description 29
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract description 7
- 229910052799 carbon Inorganic materials 0.000 abstract description 7
- 238000004939 coking Methods 0.000 abstract description 7
- 230000008021 deposition Effects 0.000 abstract description 6
- 230000000903 blocking effect Effects 0.000 abstract description 4
- 229910000831 Steel Inorganic materials 0.000 description 12
- 239000010959 steel Substances 0.000 description 12
- 230000000694 effects Effects 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 238000006748 scratching Methods 0.000 description 2
- 230000002393 scratching effect Effects 0.000 description 2
- 239000000571 coke Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 210000004907 gland Anatomy 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Rolls And Other Rotary Bodies (AREA)
- Rollers For Roller Conveyors For Transfer (AREA)
Abstract
The utility model discloses a side roller device for a cooling bed, which comprises side rollers and a wheel shaft; the side roller is arranged on the outer side of the wheel shaft and is rotationally connected to the wheel shaft, and a lubricating cavity suitable for injecting lubricating grease is arranged between the side roller and the wheel shaft; the wheel axle is provided with a cooling channel which is suitable for being filled with a cooling medium to cool the wheel axle; at least one bearing is arranged between the side roller and the wheel shaft, and the side roller is rotationally connected to the wheel shaft through the bearing. The utility model can reduce the temperature of the inner side of the side roller, can avoid coking and carbon deposition of lubricating grease due to high temperature, further can ensure good lubrication working condition and avoid rotation blocking of the side roller.
Description
Technical Field
The utility model relates to a side roller device for a cooling bed.
Background
At present, a cooling bed is a working table for cooling a steel pipe, and the cooling bed is provided with side rollers which can be propped against the side surfaces of the steel pipe to prevent the steel pipe from being scratched in the conveying process. The Chinese patent publication No. CN211027534U discloses a side roller of a straightening grid of a cooling bed, wherein lubricating grease is sealed in a bearing seat by arranging a gland at the upper end of the bearing seat, so that the problem of lubricating grease leakage is solved, the lubricating working condition is improved to a certain extent, and the side roller can be prevented from being blocked to a certain extent, and further the surface of a steel pipe is prevented from being scratched. However, since the side roller is operated in a high temperature region, the side roller is subjected to heat radiation of the high temperature steel pipe, the operating environment temperature is 500-600 ℃, and the lubricating grease is oxidized, carbonized or condensed into coke under the high temperature working condition. Therefore, in the prior art, although lubricating grease can be prevented from leaking, the lubricating grease can generate coking and carbon deposition under a high-temperature working condition, and further the lubricating working condition is poor, so that the side roller is caused to rotate and block, and the friction between the high-temperature steel pipe and the blocked side roller can cause the steel pipe to be scratched.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art and provide a side roller device for a cooling bed, which can reduce the temperature of the inner side of a side roller, can avoid coking and carbon deposition of lubricating grease due to high temperature, further can ensure good lubrication working conditions and avoid rotation blocking of the side roller.
In order to solve the technical problems, the technical scheme of the utility model is as follows: a side roller device for a cooling bed comprises a side roller and a wheel shaft; wherein,
the side roller is arranged on the outer side of the wheel shaft and is rotationally connected to the wheel shaft, and a lubricating cavity suitable for injecting lubricating grease is arranged between the side roller and the wheel shaft;
the wheel axle is provided with a cooling channel which is suitable for being filled with a cooling medium to cool the wheel axle.
Further, at least one bearing is arranged between the side roller and the wheel shaft, and the side roller is rotatably connected to the wheel shaft through the bearing.
Further provided is a concrete structure of the cooling channel, wherein a cooling pipe is connected in the wheel shaft; wherein,
the cooling pipe is at least partially inserted into the cooling hole, and the cooling pipe is provided with a connecting part which is connected on the wheel shaft in a sealing way;
the cooling channel comprises a water inlet channel arranged on the inner side of the cooling pipe, a water outlet channel arranged between the inner wall of the cooling hole and the outer wall of the cooling pipe, and a water outlet arranged on the wheel shaft and communicated with the water outlet channel, and the upper end part of the water inlet channel is communicated with the upper end part of the water outlet channel.
Further, in order to facilitate filling of lubricating grease, an oiling channel communicated with the lubricating cavity is arranged in the wheel shaft.
Further for reducing the lubricating grease leakage in the lubricating cavity, an upper oil seal for forming a seal between the upper end of the side roller and the wheel axle is connected to the wheel axle;
and the wheel shaft is also connected with a lower oil seal for forming a seal between the lower end part of the side roller and the wheel shaft.
Further provided is a specific structure of the upper oil seal and the lower oil seal, wherein the upper oil seal and the lower oil seal respectively comprise a radial part, an inner axial part and an outer axial part;
one end of the inner axial part and one end of the outer axial part are connected to the radial part;
the inner axial part and the outer axial part extend into between the side roller and the wheel shaft;
the inner axial part is sleeved on the wheel shaft;
a spacer groove is provided between the inner axial portion and the outer axial portion.
Further, the side roller device for the cooling bed further comprises a mounting bracket, and the wheel shaft is connected to the mounting bracket.
The mounting bracket comprises an upper bracket body, a lower bracket body and a side bracket body; wherein,
one end of the upper frame body is connected to the upper end of the side frame body;
one end of the lower frame body is connected to the lower end of the side frame body;
the side roller is positioned between the upper frame body and the lower frame body;
the upper end part of the wheel shaft is provided with a flange part connected to the upper frame body;
the lower frame body is connected with a shaft sleeve, and the wheel axle is installed in the shaft sleeve in a matched mode.
Further, the lower oil seal is located above the shaft sleeve, wear plates sleeved on the outer side of the wheel shaft are arranged between the lower oil seal and the shaft sleeve, and the wear plates are respectively propped against the lower oil seal and the shaft sleeve.
The outer wall of the side roller is of a conical structure with a small upper part and a large lower part.
After the technical scheme is adopted, the temperature of the wheel shaft can be reduced by introducing cooling medium into the cooling channel, and then the temperature in the lubrication cavity at the inner side of the side roller can be reduced by heat transfer, so that the lubricating grease in the lubrication cavity is prevented from coking and carbon deposition due to high temperature, good lubrication working conditions are ensured, the side roller is prevented from rotating and blocking, and the risk of scratching a high-temperature steel pipe is reduced.
Drawings
FIG. 1 is a schematic view of a side roller device for a cooling bed according to the present utility model;
FIG. 2 is a schematic diagram of the assembled structure of the side roller and axle of the present utility model;
FIG. 3 is a schematic view of the lower oil seal of the present utility model;
fig. 4 is a schematic view of the structure of the steel pipe of the present utility model against the side roller during the transportation.
Detailed Description
In order that the utility model may be more readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments that are illustrated in the appended drawings.
As shown in fig. 1 to 4, a side roller device for a cooling bed comprises a side roller 1 and an axle 2; wherein,
the side roller 1 is arranged on the outer side of the wheel shaft 2 and is rotationally connected to the wheel shaft 2, and a lubrication cavity 3 suitable for injecting lubricating grease is arranged between the side roller 1 and the wheel shaft 2;
the wheel axle 2 is provided with a cooling channel 4 adapted to being fed with a cooling medium for cooling the wheel axle 2; specifically, through letting in cooling medium to cooling channel 4 can reduce the temperature of shaft 2, and then can make through the heat transfer the temperature in the inboard lubrication chamber 3 of side running roller 1 reduces, and then avoided the lubricating grease in the lubrication chamber 3 appears coking carbon deposition because of the high temperature, has guaranteed good lubrication condition, has avoided side running roller 1 rotation card hinders, has reduced the risk that high temperature steel pipe 100 was scratched.
As shown in fig. 1 and 2, at least one bearing 5 is arranged between the side roller 1 and the wheel axle 2, and the side roller 1 is rotatably connected to the wheel axle 2 through the bearing 5; specifically, the lubricating grease injected into the lubricating cavity 3 can lubricate the bearing 5, so as to ensure a good lubricating condition and ensure smooth rotation of the side roller 1; in this embodiment, two bearings 5 are provided, and the bearings 5 are high temperature resistant deep groove ball bearings.
As shown in fig. 1 and 2, a cooling pipe 6 can be connected to the wheel axle 2; wherein,
the wheel axle 2 is provided with a cooling hole 7, the cooling pipe 6 is at least partially inserted into the cooling hole 7, and the cooling pipe 6 is provided with a connecting part 8 which is connected on the wheel axle 2 in a sealing way;
the cooling channel 4 comprises a water inlet channel 9 arranged on the inner side of the cooling pipe 6, a water outlet channel 10 arranged between the inner wall of the cooling hole 7 and the outer wall of the cooling pipe 6, and a water outlet 11 arranged on the wheel shaft 2 and communicated with the water outlet channel 10, wherein the upper end part of the water inlet channel 9 is communicated with the upper end part of the water outlet channel 10; specifically, the connecting portion 8 is in threaded sealing connection with the wheel shaft 2, and the cooling medium flows through in proper order the water inlet channel 9 with after the water outlet channel 10 follow delivery port 11 discharges, and then can cool off the wheel shaft 2, the wheel shaft 2 can make through heat transfer the temperature in the lubrication chamber 3 reduces, and then has avoided lubrication grease coking carbon deposit in the lubrication chamber 3, can also reduce the heat radiation simultaneously to the influence of bearing 5 has improved the life of bearing 5.
As shown in fig. 1 and 2, an oiling channel communicated with the lubricating cavity 3 is arranged in the wheel shaft 2; specifically, the lubrication grease can be filled into the lubrication cavity 3 through the oiling channel, so that the lubrication grease can be rapidly supplemented and the accumulated slag can be prevented from entering; further specifically, the oil injection channel comprises an oil inlet hole 12 suitable for being connected with lubricating grease and an oil outlet hole 13 used for communicating the oil inlet hole 12 and the lubricating cavity 3, and at least two oil outlet holes 13 are uniformly distributed along the circumferential direction. Wherein, the upper end of the oil inlet hole 12 is used for connecting the oil filler neck, and the upper end of the oil inlet hole 12 is provided with a counter bore so as to prevent the oil filler neck from protruding to scratch the steel pipe 100.
As shown in fig. 1 to 3, an upper oil seal 14 for forming a seal between an upper end portion of the side roller 1 and the wheel shaft 2 is connected to the wheel shaft 2;
the wheel shaft 2 is also connected with a lower oil seal 15 for forming a seal between the lower end part of the side roller 1 and the wheel shaft 2, and the upper oil seal 14 and the lower oil seal 15 can reduce the leakage loss of melted lubricating grease in the lubricating cavity 3, so that the bearing 5 is ensured not to be blocked due to oil shortage.
As shown in fig. 1 to 3, the upper oil seal 14 and the lower oil seal 15 may include a radial portion 16, an inner axial portion 17, and an outer axial portion 18, respectively;
one end of the inner axial portion 17 and one end of the outer axial portion 18 are both connected to the radial portion 16;
the inner axial portion 17 and the outer axial portion 18 both extend between the side roller 1 and the axle 2;
the inner axial part 17 is sleeved on the wheel axle 2;
a space groove 19 is provided between the inner axial portion 17 and the outer axial portion 18, so that the upper oil seal 14 and the lower oil seal 15 can have a labyrinth seal effect.
As shown in fig. 1, the side roller device for a cooling bed may further include a mounting bracket to which the wheel shaft 2 is connected.
As shown in fig. 1 and 2, the mounting bracket may include an upper frame 20, a lower frame 21, and a side frame 22; wherein,
one end of the upper frame 20 is connected to an upper end of the side frame 22;
one end of the lower frame 21 is connected to the lower end of the side frame 22;
the side roller 1 is positioned between the upper frame 20 and the lower frame 21;
the upper end part of the wheel axle 2 is provided with a flange part 23 connected to the upper frame body 20;
the lower frame body 21 is connected with a shaft sleeve 24, and the wheel axle 2 is arranged in the shaft sleeve 24 in a matching way; specifically, the flange portion 23 and the upper frame body 20 are in locking connection by a fastener.
As shown in fig. 1, the lower oil seal 15 is located above the shaft sleeve 24, a wear pad 25 sleeved on the outer side of the wheel axle 2 is arranged between the lower oil seal 15 and the shaft sleeve 24, and the wear pad 25 is respectively abutted against the lower oil seal 15 and the shaft sleeve 24; in particular, the wear-resistant sheet 25 is provided so as to avoid lowering of the side roller 1 due to long-term friction. In this embodiment, the sleeve 24 is a self-lubricating sleeve 24.
In this embodiment, the outer wall of the side roller 1 has a tapered structure with a small top and a large bottom, so that the pipe 100 can be effectively prevented from flying due to upward movement when passing through.
In summary, the cooling medium is introduced into the cooling channel 4 to reduce the temperature of the wheel shaft 2, so that the temperature in the lubrication cavity 3 at the inner side of the side roller 1 can be reduced through heat transfer, thereby avoiding coking and carbon deposition of lubricating grease in the lubrication cavity 3 due to high temperature, ensuring good lubrication working conditions, avoiding the rotation blocking of the side roller 1, and reducing the risk of scratching the high-temperature steel pipe 100.
The technical problems, technical solutions and advantageous effects solved by the present utility model have been further described in detail in the above-described embodiments, and it should be understood that the above-described embodiments are only illustrative of the present utility model and are not intended to limit the present utility model, and any modifications, equivalent substitutions, improvements, etc. within the spirit and principle of the present utility model should be included in the scope of protection of the present utility model.
Claims (10)
1. The side roller device for the cooling bed is characterized by comprising a side roller (1) and a wheel shaft (2); wherein,
the side roller (1) is arranged on the outer side of the wheel shaft (2) and is rotationally connected to the wheel shaft (2), and a lubrication cavity (3) suitable for injecting lubrication grease is arranged between the side roller (1) and the wheel shaft (2);
the wheel axle (2) is provided with a cooling channel (4) adapted to letting in a cooling medium for cooling the wheel axle (2).
2. Side roller device for a cooling bed according to claim 1, characterized in that at least one bearing (5) is arranged between the side roller (1) and the wheel axle (2), the side roller (1) being rotatably connected to the wheel axle (2) by means of the bearing (5).
3. Side roller device for cooling beds according to claim 1, characterized in that a cooling tube (6) is connected in the axle (2); wherein,
a cooling hole (7) is formed in the wheel axle (2), the cooling pipe (6) is at least partially inserted into the cooling hole (7), and the cooling pipe (6) is provided with a connecting part (8) which is connected to the wheel axle (2) in a sealing way;
the cooling channel (4) comprises a water inlet channel (9) arranged on the inner side of the cooling pipe (6), a water outlet channel (10) arranged between the inner wall of the cooling hole (7) and the outer wall of the cooling pipe (6), and a water outlet (11) arranged on the wheel shaft (2) and communicated with the water outlet channel (10), wherein the upper end part of the water inlet channel (9) is communicated with the upper end part of the water outlet channel (10).
4. Side roller device for cooling beds according to claim 1, characterized in that the axle (2) is provided with an oiling channel communicating with the lubrication chamber (3).
5. The side roller device for cooling bed according to claim 1, wherein,
an upper oil seal (14) for forming a seal between the upper end part of the side roller (1) and the wheel shaft (2) is connected to the wheel shaft (2);
the wheel axle (2) is also connected with a lower oil seal (15) for forming a seal between the lower end part of the side roller (1) and the wheel axle (2).
6. A side roller device for a cooling bed according to claim 5, wherein the upper oil seal (14) and the lower oil seal (15) respectively comprise a radial portion (16), an inner axial portion (17) and an outer axial portion (18);
one end of the inner axial portion (17) and one end of the outer axial portion (18) are both connected to the radial portion (16);
the inner axial part (17) and the outer axial part (18) extend into between the side roller (1) and the wheel axle (2);
the inner axial part (17) is sleeved on the wheel shaft (2);
a spacing groove (19) is arranged between the inner axial part (17) and the outer axial part (18).
7. Side roller device for cooling beds according to claim 5, characterized in that it further comprises a mounting bracket to which the axle (2) is connected.
8. The side roller device for a cooling bed according to claim 7, wherein the mounting bracket includes an upper frame body (20), a lower frame body (21), and a side frame body (22); wherein,
one end of the upper frame body (20) is connected to the upper end of the side frame body (22);
one end part of the lower frame body (21) is connected to the lower end part of the side frame body (22);
the side roller (1) is positioned between the upper frame body (20) and the lower frame body (21);
the upper end part of the wheel axle (2) is provided with a flange part (23) connected to the upper frame body (20);
the lower frame body (21) is connected with a shaft sleeve (24), and the wheel axle (2) is installed in the shaft sleeve (24) in a matching mode.
9. Side roller device for cooling bed according to claim 8, characterized in that the lower oil seal (15) is located above the shaft sleeve (24), a wear pad (25) sleeved outside the wheel axle (2) is arranged between the lower oil seal (15) and the shaft sleeve (24), and the wear pad (25) is respectively abutted against the lower oil seal (15) and the shaft sleeve (24).
10. The side roller device for cooling bed according to claim 1, wherein the outer wall of the side roller (1) has a tapered structure with a smaller upper part and a larger lower part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321185157.7U CN220028214U (en) | 2023-05-16 | 2023-05-16 | Side roller device for cooling bed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321185157.7U CN220028214U (en) | 2023-05-16 | 2023-05-16 | Side roller device for cooling bed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220028214U true CN220028214U (en) | 2023-11-17 |
Family
ID=88725284
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321185157.7U Active CN220028214U (en) | 2023-05-16 | 2023-05-16 | Side roller device for cooling bed |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220028214U (en) |
-
2023
- 2023-05-16 CN CN202321185157.7U patent/CN220028214U/en active Active
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